{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Both poly ( sulfobetaine methacrylate ) ( pSBMA ) and poly ( carboxybetaine methacrylate ) ( pCBMA ) have been studied as matrices for the embedding of silver ."}
{"Chemical": ["poly ( sulfobetaine methacrylate )", "pSBMA", "poly ( carboxybetaine methacrylate )", "pCBMA", "silver"]}